From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Felipe Balbi <balbi@kernel.org>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Serge Semin <fancer.lancer@gmail.com>
Subject: [PATCH v1 1/1] usb: dwc3: pci: Enable dis_uX_susphy_quirk for Intel Merrifield
Date: Mon, 22 Mar 2021 14:52:44 +0200 [thread overview]
Message-ID: <20210322125244.79407-1-andriy.shevchenko@linux.intel.com> (raw)
It seems that on Intel Merrifield platform the USB PHY shouldn't be suspended.
Otherwise it can't be enabled by simply change the cable in the connector.
Enable corresponding quirk for the platform in question.
Fixes: e5f4ca3fce90 ("usb: dwc3: ulpi: Fix USB2.0 HS/FS/LS PHY suspend regression")
Suggested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/usb/dwc3/dwc3-pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 3d3918a8d5fb..4c5c6972124a 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -120,6 +120,8 @@ static const struct property_entry dwc3_pci_intel_properties[] = {
static const struct property_entry dwc3_pci_mrfld_properties[] = {
PROPERTY_ENTRY_STRING("dr_mode", "otg"),
PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"),
+ PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
{}
};
--
2.30.2
reply other threads:[~2021-03-22 13:10 UTC|newest]
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